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Figure 2 shows the affinity utility program. Each of the four components is described

in more detail in the rest of this chapter.

Report

Scanner Detector

ReporterBuilder

User

AOR or TOR/AOR

Collected

Affinity

Data

Combined Affinity

Transaction Groups

Basic Affinity

Transaction Groups

Application

Load Library

To CICSPlex SM

1. 2.

3.4.

Figure 2. Affinity utility program components

10 CICS Transaction Affinities Utility Guide

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 102 103

Release 3 1
Contents 5
Contents v 7
Trademarks 10
What this book is about 11
Who this book is for 11
How to use this book 11
Notes on terminology 12
Bibliography 13
Other CICS books 14
Summary of changes 15
CICSPlex SM 17
Managing Workloads 17
Intercommunication Guide 18
Transaction affinities 19
Inter-transaction affinity 20
Transaction-system affinity 20
Affinity relations 20
Affinity lifetimes 21
Safe programming techniques 22
Unsafe programming techniques 22
The Scanner component 28
The Detector component 28
What is detected 29
What is not detected 30
Controlling the Detector 31
Saving affinity data 32
The affinity data VSAM ﬁles 33
The control record VSAM ﬁle 33
Detector performance 34
The Reporter component 34
The Builder component 34
Creating the VSAM ﬁles 37
Deﬁning the VSAM ﬁles to CICS 38
Restarting your CICS region 39
Creating a summary report 41
Creating a detailed report 43
Contents of a detailed report 44
CICS Customization Guide 49
3270 terminal CAFF PAUSE 50
Changing the Detector options 52
Detector errors 55
Output from the Reporter 58
Affinity report 59
Using the affinity report 63
Understanding the affinities 64
Compressing affinity data 65
ENQUEUE/DEQUEUE 67
GETMAIN SHARED 68
Temporary storage queues 68
SPI commands 69
//BUILD EXEC PGM=CAUBLD 71
HEADER statements 74
Output from the Builder 74
Data sets processed report 77
Group merge report 77
Error report 78
TS commands 82
LOAD HOLD/RELEASE 82
RETRIEVE WAIT/START 82
ADDRESS CWA 83
GETMAIN SHARED/FREEMAIN 83
LOAD/FREEMAIN 83
CANCEL/DELAY/POST/START 84
WAIT commands 85
Example 1–Assembler-language 87
Example 2–VS COBOL II 88
= X'7A6' 89
= X'B8' 89
001126 MOVE 90
Utility reports 91
Appendix D. Diagnostics 93
Table identiﬁer values 94
Reason code values 95
(continued) 98
Index 83 99
Sending your comments to IBM 101
SC33-1777-02 102
Spine information: 103

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